X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/7246dc4381c6c95454672a5c1aff65a02d6d3747..0383146e5e616e81c13b23a127ecfa697feac7db:/components/ip.c?ds=sidebyside diff --git a/components/ip.c b/components/ip.c index f98b2ed..fce2b66 100644 --- a/components/ip.c +++ b/components/ip.c @@ -1,9 +1,13 @@ /* See LICENSE file for copyright and license details. */ -#include +#include #include #include #include #include +#if defined(__OpenBSD__) + #include + #include +#endif #include "../util.h" @@ -14,19 +18,21 @@ ipv4(const char *iface) int s; char host[NI_MAXHOST]; - if (getifaddrs(&ifaddr) == -1) { - warn("Failed to get IPv4 address for interface %s", iface); + if (getifaddrs(&ifaddr) < 0) { + warn("getifaddrs:"); return NULL; } for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) { - if (ifa->ifa_addr == NULL) { + if (!ifa->ifa_addr) { continue; } - s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST); - if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) { + s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, + NI_MAXHOST, NULL, 0, NI_NUMERICHOST); + if (!strcmp(ifa->ifa_name, iface) && + (ifa->ifa_addr->sa_family == AF_INET)) { if (s != 0) { - warnx("Failed to get IPv4 address for interface %s", iface); + warn("getnameinfo: %s", gai_strerror(s)); return NULL; } return bprintf("%s", host); @@ -45,19 +51,21 @@ ipv6(const char *iface) int s; char host[NI_MAXHOST]; - if (getifaddrs(&ifaddr) == -1) { - warn("Failed to get IPv6 address for interface %s", iface); + if (getifaddrs(&ifaddr) < 0) { + warn("getifaddrs:"); return NULL; } for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) { - if (ifa->ifa_addr == NULL) { + if (!ifa->ifa_addr) { continue; } - s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST); - if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET6)) { + s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host, + NI_MAXHOST, NULL, 0, NI_NUMERICHOST); + if (!strcmp(ifa->ifa_name, iface) && + (ifa->ifa_addr->sa_family == AF_INET6)) { if (s != 0) { - warnx("Failed to get IPv6 address for interface %s", iface); + warn("getnameinfo: %s", gai_strerror(s)); return NULL; } return bprintf("%s", host);